tree cb889f2e239a6261e8b657979b932b32bae579da
parent 6337de2204be3b7b40825a1d30de30e514e8947b
author Dmitry Torokhov <dmitry.torokhov@gmail.com> 1314031539 -0700
committer Dmitry Torokhov <dmitry.torokhov@gmail.com> 1314032360 -0700

Input: ad714x - use DMA-safe buffers for spi_write()

spi_write() requires use of DMA-safe (cacheline aligned) buffers.
Also use the same buffers when reading data since to avoid extra
locking and potential memory allocation in spi_write_then_read().

Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>